From e9786e75960e0902cd6569c306dcd389f8e4e105 Mon Sep 17 00:00:00 2001
From: Yanzhen Yu <yanzhen@smartx.com>
Date: Wed, 1 Apr 2026 12:00:00 +0800
Subject: [PATCH] check is svg when serialization

---
 src/rebuild.ts  | 103 ++----------------------------------------------
 src/snapshot.ts |   5 +++
 src/types.ts    |   1 +
 3 files changed, 9 insertions(+), 100 deletions(-)

diff --git a/src/rebuild.ts b/src/rebuild.ts
index e4e79b28..9a045000 100644
--- a/src/rebuild.ts
+++ b/src/rebuild.ts
@@ -7,103 +7,6 @@ import {
   INode,
 } from './types';
 
-// TODO: need a more accurate list
-const svgTags = [
-  'altGlyph',
-  'altGlyphDef',
-  'altGlyphItem',
-  'animate',
-  'animateColor',
-  'animateMotion',
-  'animateTransform',
-  'animation',
-  'circle',
-  'clipPath',
-  'color-profile',
-  'cursor',
-  'defs',
-  'desc',
-  'discard',
-  'ellipse',
-  'feBlend',
-  'feColorMatrix',
-  'feComponentTransfer',
-  'feComposite',
-  'feConvolveMatrix',
-  'feDiffuseLighting',
-  'feDisplacementMap',
-  'feDistantLight',
-  'feDropShadow',
-  'feFlood',
-  'feFuncA',
-  'feFuncB',
-  'feFuncG',
-  'feFuncR',
-  'feGaussianBlur',
-  'feImage',
-  'feMerge',
-  'feMergeNode',
-  'feMorphology',
-  'feOffset',
-  'fePointLight',
-  'feSpecularLighting',
-  'feSpotLight',
-  'feTile',
-  'feTurbulence',
-  'filter',
-  'font',
-  'font-face',
-  'font-face-format',
-  'font-face-name',
-  'font-face-src',
-  'font-face-uri',
-  'foreignObject',
-  'g',
-  'glyph',
-  'glyphRef',
-  'handler',
-  'hatch',
-  'hatchpath',
-  'hkern',
-  'image',
-  'line',
-  'linearGradient',
-  'listener',
-  'marker',
-  'mask',
-  'mesh',
-  'meshgradient',
-  'meshpatch',
-  'meshrow',
-  'metadata',
-  'missing-glyph',
-  'mpath',
-  'path',
-  'pattern',
-  'polygon',
-  'polyline',
-  'prefetch',
-  'radialGradient',
-  'rect',
-  'set',
-  'solidColor',
-  'solidcolor',
-  'stop',
-  'svg',
-  'switch',
-  'symbol',
-  'tbreak',
-  'text',
-  'textArea',
-  'textPath',
-  'tref',
-  'tspan',
-  'unknown',
-  'use',
-  'view',
-  'vkern',
-];
-
 const tagMap: tagMap = {
   script: 'noscript',
 };
@@ -144,10 +47,10 @@ function buildNode(n: serializedNodeWithId, doc: Document): Node | null {
     case NodeType.Element:
       const tagName = getTagName(n);
       let node: Element;
-      if (svgTags.indexOf(tagName) < 0) {
-        node = doc.createElement(tagName);
-      } else {
+      if (n.isSVG) {
         node = doc.createElementNS('http://www.w3.org/2000/svg', tagName);
+      } else {
+        node = doc.createElement(tagName);
       }
       for (const name in n.attributes) {
         if (n.attributes.hasOwnProperty(name)) {
diff --git a/src/snapshot.ts b/src/snapshot.ts
index f1376ae7..a0623055 100644
--- a/src/snapshot.ts
+++ b/src/snapshot.ts
@@ -77,6 +77,10 @@ function absoluteToDoc(doc: Document, attributeValue: string): string {
   return a.href;
 }
 
+function isSVGElement(el: Element): boolean {
+  return el.tagName === 'svg' || el instanceof SVGElement;
+}
+
 function serializeNode(n: Node, doc: Document): serializedNode | false {
   switch (n.nodeType) {
     case n.DOCUMENT_NODE:
@@ -142,6 +146,7 @@ function serializeNode(n: Node, doc: Document): serializedNode | false {
         tagName,
         attributes,
         childNodes: [],
+        isSVG: isSVGElement(n as Element) || undefined,
       };
     case n.TEXT_NODE:
       // The parent node may not be a html element which has a tagName attribute.
diff --git a/src/types.ts b/src/types.ts
index 62d6af8b..21fa2de3 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -27,6 +27,7 @@ export type elementNode = {
   tagName: string;
   attributes: attributes;
   childNodes: serializedNodeWithId[];
+  isSVG?: true;
 };
 
 export type textNode = {